diff --git a/companion/src/firmwares/edgetx/yaml_ops.cpp b/companion/src/firmwares/edgetx/yaml_ops.cpp
index ed7983fb3..c89aaea89 100644
--- a/companion/src/firmwares/edgetx/yaml_ops.cpp
+++ b/companion/src/firmwares/edgetx/yaml_ops.cpp
@@ -22,7 +22,7 @@
 
 YAML::Node operator >> (const YAML::Node& node, const YamlLookupTable& lut)
 {
-  if (node) {
+  if (node && node.IsScalar()) {
     std::string str = node.as<std::string>();
     const auto& it =
         find_if(lut.begin(), lut.end(), [=](const YamlLookupTableElmt& elmt) {